diff --git a/11_object-oriented_programming/1_PainonVartijat.md b/11_object-oriented_programming/1_PainonVartijat.md
index beb1a67..00ed864 100644
--- a/11_object-oriented_programming/1_PainonVartijat.md
+++ b/11_object-oriented_programming/1_PainonVartijat.md
@@ -148,9 +148,9 @@ import java.util.*;
 
 public class PainoSovellus {
 
-	public static String tiedostopolku = System.getProperty("user.dir");
+    public static String tiedostopolku = System.getProperty("user.dir");
     public static String tiedosto      = "painotcsv.txt";
-	
+
     private static int painoMin = 40;
     private static int painoMax = 300;